Perhaps you should try some spelling variations:
"life segment structure analysis" » "life segment structural analysis", "life segmental structure analysis", "life sediment structure analysis", "life pigment structure analysis", "five segment structure analysis", "pipe segment structure analysis", "size segment structure analysis"
"line segment across analysis" » "line segment access analysis", "line segment across analytic", "line segment cross analyses", "line segments cross analysis", "line segment ros analysis", "line segment aclass analysis", "line segment aloss analysis", "line segment acrowd analysis", "line segments across analysis"
"line segment cross analysis" » "line segment class analysis", "line segment loss analysis", "line segment crowd analysis", "line segments cross analysis", "line segment cost analysis", "line segment ros analysis"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("life segment structure analysis") OR ((("line segment across analysis") OR ("line segment cross analysis")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"life segment structure analysis\") or (((\"line segment across analysis\") OR (\"line segment cross analysis\"))))".
• Removing quotes may allow a broader search: (( life segment structure analysis ) or ((( line segment across analysis ) OR ( line segment cross analysis )))).
• Adding a wildcard symbol may retrieve word variants: (("life segment structure analysis") or ((("line segment across analysis") OR ("line segment cross analysis"))))*.